Hurricane Bertha

Forecast Advisory 4

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435
WTNT22 KNHC 040231
TCMAT2
TROPICAL STORM BERTHA FORECAST/ADVISORY NUMBER 4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
0300 UTC FRI JUL 04 2008

INTERESTS IN THE SOUTHERN CAPE VERDE ISLANDS SHOULD MONITOR THE
PROGRESS OF BERTHA.

TROPICAL STORM CENTER LOCATED NEAR 13.4N 27.0W AT 04/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 12 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 60NE 30SE 30SW 60NW.
12 FT SEAS.. 30NE 30SE 30SW 30NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 13.4N 27.0W AT 04/0300Z
AT 04/0000Z CENTER WAS LOCATED NEAR 13.3N 26.3W

FORECAST VALID 04/1200Z 13.8N 29.2W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 30SE 30SW 60NW.

FORECAST VALID 05/0000Z 14.6N 32.5W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 30SE 30SW 60NW.

FORECAST VALID 05/1200Z 15.5N 35.9W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 75NE 45SE 45SW 75NW.

FORECAST VALID 06/0000Z 16.6N 39.4W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 75NE 45SE 45SW 75NW.

FORECAST VALID 07/0000Z 18.5N 45.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 15SE 15SW 30NW.
34 KT... 75NE 60SE 60SW 75NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 08/0000Z 21.5N 51.0W
MAX WIND 60 KT...GUSTS 75 KT.

OUTLOOK VALID 09/0000Z 25.5N 54.0W
MAX WIND 60 KT...GUSTS 75 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.4N 27.0W

NEXT ADVISORY AT 04/0900Z

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FORECASTER RHOME